Yeah, an abused & swollen LiPo will explode when beaten with a large stick! Wow, I never would have guessed that!

The safety of Lithium batteries in vehicles is a real issue that is being addressed by auto makers. That's the main reason none of the major auto makers has come out with a vehicle using that technology yet.

You can fear LiPo's if you wish, and stick to NiCd and NiMH battery technology, just don't expect to have an electric aircraft that will fly worth a damn. Let us know how your Phase 3 EF-16 flies with a NiMH pack!